Improvement in fire-places



2 Sheets--Shee-t 2 T. C. DAMBURG. I

Fire-Places.

N0. 128,953. Patented July 16,1872.

fizz 6225071 m fneesses dI/JM Unrrnp STATES PATENT OFFICE.

THORWALD G. DAMBORG, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN FIRE-PLACES.

Specification forming part of Letters Patent No. 128,953, dated July 16,1872.

. SPECIFICATION.

To all whom it may concern:

Be it known that I, THORWALD G. DAM- BORG, of the city of Philadelphia,State of Pennsylvania, have invented an Improvement in Grates and I dohereby declare the following to be a full and correct description of thesame, reference being had to the accompanying drawing, in which- Fig. lis a front elevation. Fig. 2 is a bottom view of the .grate, and Fig. 3is a central vertical section of the grate set in the fireplace.

Similar letters of reference indicate like parts in the several figures.

My invention relates to a low-down grate so constructed as to be capableof conversion into a fire-board, or a downward-burning stove, the partsbeing made, arranged, and combined as hereinafter more fully set forthand claimed. The first part of my invention consists of means forconverting a low-down grate into a fireboard or downward-burning stove;and, to this end, the grate, as a whole, is made up of a hollowfoot-plate, A, joined to flues E at each side of the fire-place, asshown in dotted lines, Fig. 3; a fender, B, set in front of the fire-potand resting upon the foot-plate 5 a fire-pot, 0, provided with aglobular or other-shaped back plate, 0, forming the combustion-chamber,and having a removable grate, G a sliding globular or other-shapedblower, D, having its axis or center of motion on dampers F, and workingin a recess over the back plate 0 of the combustion-chamber; and,finally, the flue E, extending entirely around the back of thecombustion-chamber from one end of the hollow foot-plate to its other,as seen in dotted lines, Fig. 1, and provided with dampers F, openinginto the combustion-chamber and creating a draught through the fire, andalso carrying off the smoke, gases, &c.

The drawing shows my invention as a lowdown grate, and if the blower Dbe drawn out so as to rest on the fender, as shown in dotted lines, Fig.3, it will only perform its office of accelerating combustion, but ifthe dampers F be closed so as to cut off the direct draught and theblower drawn down on the fender, the smoke, 820., will be directedthrough an opening, a, in the hollow foot-plate into the flue E; inother words, the draught will be down through the fire and opening ainto the fine instead of up through the fire and dampers F. Thus thegrate will become a base or downward burner, and if the blower isprovided with mica-covered openings the grate will have the appearanceof a stove. The arrows marked 1 show the direction of the draught whenthe dampers are opened, and those marked 2 show the same when saiddampers are closed.

The blower or shield may be made to slide up the chimney at an angle orvertically, and so arranged as to fit over the front of the grate toeifect the same purpose as that shown in the drawing and just described.The grate can also be converted into a fire-board stove by drawing downthe blower so as to rest on the fender and leaving the dampers open soas to have the upward draught.

The second part of my invention relates to the construction of thegrate. The grate G is secured in grooves or ways I) 1) depending fromthe sides of the fire-pot, and is formed with two fiat projections oneach side which fit in said grooves, as shown in Fig.3, dotted lines.Openings'd d are made in the grooves so that when the grate is turneduntil the forward projection on one side and the rear projection on theopposite side arrive at said openings the grate will fall out, and thusat once remove all the ashes, &c., from the fire-pot.

If it is desired to rake the fire this can be done by means of a bar, e,secured to the grate and projecting forward through an opening, f, inthe fender, so as to be easy of access. To prevent the dust from flyingabout the blower need only be drawn down, and if it is desired to get atthe grate the fender may be removed or raised, and to effect this latterthe fender may be hinged to the side of the casing. The usualconnections may be made with this grate for heating up-stairs rooms.

The advantages of my invention are that there is no dust escaping whenthe fire is raked, the fire can be inclosed as though in a stove atnight to prevent danger, and the unsightly blower is done away with, asis also the trouble some screen.

What I claim is- 1. The combination, on one heating appa ratus, of alow-down grate, fire-board stove, and downward burner, substantially asdescribed.

2. The combination of the hollow foot-plate A, flue E, dampers F, grateG, fender B, blower signed and witnessed at Philadelphia this 29th Theabove specification of my said invention D, and fire-pot O, constructedand arranged day of April, A. D. 1872.

substantially as described, and capable of being converted into alow-down grate, fire-board stove, and downward burner.

3. The grate G secured in grooves b, and constructed, arranged, andoperating substantially as set forth.

THORWALD OHR. DAMBORG.

Witnesses W. PRICE DAVIS, WILLIAM MENDHAM.

